TOHO CHEMICAL INDUSTRY CO., LTD. Patent applications |
Patent application number | Title | Published |
20130123434 | BLOCK COPOLYMER AND ANTISTATIC AGENT COMPRISING SAME - There is provided as an antistatic agent that preserves antistatic properties for a long period of time and that does not impair the appearance and transparency of a resin into which the antistatic agent is kneaded, and a resin composition containing the antistatic agent. A block copolymer obtained from a reactant between (a) an acid-modified polyolefin and (b) an alkylene oxide adduct of amide alcohol of General Formula (1), part or all of residual acid groups in the reactant being neutralized by an alkaline substance: R | 05-16-2013 |
20130059985 | METHOD OF MANUFACTURING POLYBENZOXAZOLE PRECURSOR - The present invention provides a method for producing a polybenzoxazole precursor having reduced contents of residual aprotic polar solvent and residual halogen without discharging a large amount of waste water during purification. The present invention specifically relates to a method for producing a polybenzoxazole precursor, which comprises synthesizing a polybenzoxazole precursor in an aprotic polar solvent, adding and mixing water and a water-insoluble solvent with the resulting polybenzoxazole precursor solution to still stand the solution, and then separating a water layer from the solution to reduce a content of impurities remaining in the polybenzoxazole precursor. | 03-07-2013 |
20130018162 | COPOLYMER AND CEMENT DISPERSANT INCLUDING THE COPOLYMERAANM Ikeda; AkiraAACI Sodegaura-shiAACO JPAAGP Ikeda; Akira Sodegaura-shi JPAANM Suga; AkiraAACI Sodegaura-shiAACO JPAAGP Suga; Akira Sodegaura-shi JPAANM Kobayashi; SatoshiAACI Sodegaura-shiAACO JPAAGP Kobayashi; Satoshi Sodegaura-shi JP - A cement dispersant that includes a copolymer resulting from a reaction of components (A) to (C), where: (A) is an ester compound obtained by adding 0 to 10 moles of C | 01-17-2013 |
20120283386 | ANTISTATIC AGENT AND RESIN COMPOSITION CONTAINING SAME - There is provided an antistatic agent that preserves its antistatic property for a long period of time and has the appearance and the transparency that are not impaired when kneaded into a resin, and a resin composition containing the antistatic agent. An antistatic agent including a block copolymer which is obtained from a reaction product of a polyolefin (a) having one end being acid-modified and a diol and/or a diamine (b) having a polyoxyalkylene chain, and in which a part or all of acid groups remaining in the reaction product is neutralized with an alkaline substance. A thermoplastic resin composition including the antistatic resin. A film or sheet including the thermoplastic resin composition. | 11-08-2012 |
20120029128 | Aqueous resin composition - There is provided a practically useful aqueous resin composition which enables to obtain a coating film that is satisfactory not only in corrosion resistance but also in coating adhesion when applied over a metal surface, specifically an aqueous resin composition which enables, in a form of a thin film having a thickness of about 0.1-5 μm, to exhibit various properties practically required for surface treating agents for chromium-free surface-treated steel plates, namely excellent corrosion resistance, adhesion to steel plates, durability against alkaline degreasing agents or solvents which are used for removing a press oil used during press molding, adhesion to an overcoating material which is used for aesthetic purposes, mechanical stability and the like. The aqueous resin composition comprises 100 parts by mass of a copolymer of an α,β-ethylenically unsaturated carboxylic acid and an olefin; and 0.1-10 parts by mass of a carboxylic acid polymer | 02-02-2012 |
20100120641 | POUR POINT DEPRESSANT FOR LUBRICANT - There is provided a pour point depressant for lubricants that has an effect of lowering pour points of both solvent refined base oils and high viscosity index base oils. A pour point depressant for lubricants comprising: a mixture of an alkyl(meth)acrylate polymer (A) that is composed of an alkyl(meth)acrylate containing alkyl groups having an average carbon number (C | 05-13-2010 |
20100111885 | Hair-Shape Controlling Composition - The invention provides a hair shape-controlling composition which has excellent applicability to hair, which causes less damage to permanent-waved hair or straightened hair, which can provide treated hair with an excellent texture as expected, and which does not impede a glossy appearance of treated hair. The hair shape-controlling composition including a first component containing a reducing agent and an alkaline agent, and a second component containing an oxidizing agent is provided by containing a specific hydroxy-ether-amine compound or a specific quaternary ammonium salt. | 05-06-2010 |
20100056748 | Novel star polymer and coupling agent for anionic polymerization - [PROBLEM] To provide a novel star polymer useful as resist materials with high sensitivity and high resolution, and a novel coupling agent for anionic polymerization for synthesizing the polymer. | 03-04-2010 |
20090326159 | Cement dispersant - The present invention relates to a cement dispersant, and an object thereof is to provide a cement dispersant having high water reducing property, low setting retardation and low concrete viscosity and taking also applicability into account. The cement dispersant comprises a polycarboxylic acid polymer formed by structural unit (I) composed of a reactive alcohol alkylene oxide adduct and structural unit (II) composed of a reactive dibasic acid, and preferably further structural unit (III) containing polyamide polyamine in the unit, wherein fumaric acid and/or a derivative thereof is used as a partial or main starting material of the structural unit (II). The cement dispersant is excellent in water reducing property, setting retardation and concrete viscosity. | 12-31-2009 |
20090215937 | Aqueous Resin Composition - There is provided a practically useful aqueous resin composition which enables to obtain a coating film is satisfactory not only in corrosion resistance but also in coating adhesion when applied over a metal surface, specifically an aqueous resin composition which enables, in a form of a thin film having a thickness of about 0.1-5 μm, to exhibit various properties practically required for surface treating agents for chromium-free surface-treated steel plates, namely excellent corrosion resistance, adhesion to steel plates, durability against alkaline degreasing agents or solvents which are used for removing a press oil used during press molding, adhesion to an overcoating material which is used for aesthetic purposes, mechanical stability and the like. The aqueous resin composition comprises 100 parts by mass of a copolymer of an α,β-ethylenically unsaturated carboxylic acid and an olefin; and 0.1-10 parts by mass of a carboxylic acid polymer | 08-27-2009 |
20090123408 | Polymer And Cosmetic Preparation - The present invention provides a novel polymer that can impart a moisturized feeling to the hair and skin after use. A polymer comprising an amphoteric monomer represented by the following general formula (I) and a cationic monomer represented by the following general formula (II) as the essential constituent monomers: | 05-14-2009 |
20090114117 | Leveling agent and water-based floor-polishing composition comprising the leveling agent - A leveling agent for water-based floor polishes which contains a nonionic surfactant, characterized in that the nonionic surfactant is at least one member selected from the group consisting of compounds represented by the general formula (1): R | 05-07-2009 |